21086490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6569}}^1$

素因数の和:6686

約数の個数: 32

約数和(自身を含む): 51088320

約数和(自身を除く): 30001830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6569, 13138, 19707, 32845, 39414, 65690, 98535, 197070, 702883, 1405766, 2108649, 3514415, 4217298, 7028830, 10543245, 21086490]

約数ペア:

[(1, 21086490), (2, 10543245), (3, 7028830), (5, 4217298), (6, 3514415), (10, 2108649), (15, 1405766), (30, 702883), (107, 197070), (214, 98535), (321, 65690), (535, 39414), (642, 32845), (1070, 19707), (1605, 13138), (3210, 6569)]